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Finding the Fourth Proportional to 296,775.40, 409,691.88 and 169,426.36

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Solution

The fourth proportional to 296,775.40, 409,691.88 and 169,426.36 is: 233,889.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,775.40 : 409,691.88 = 169,426.36 : x
  2. Step 2: Convert to fraction form
    296,775.40/409,691.88 = 169,426.36/x
  3. Step 3: Cross multiply
    296,775.40x = 409,691.88 × 169,426.36
  4. Step 4: Simplify right side
    296,775.40x = 69,412,603,949.96
  5. Step 5: Solve for x
    x = 69,412,603,949.96/296,775.40
  6. Step 6: Final answer
    x = 233,889.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.